Finding the Fourth Proportional to 345,330.99, 518,070.60 and 195,642.99
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Solution
The fourth proportional to 345,330.99, 518,070.60 and 195,642.99 is: 293,506.47
Step by Step Solution
- Step 1: Write the proportion equation
345,330.99 : 518,070.60 = 195,642.99 : x - Step 2: Convert to fraction form
345,330.99/518,070.60 = 195,642.99/x - Step 3: Cross multiply
345,330.99x = 518,070.60 × 195,642.99 - Step 4: Simplify right side
345,330.99x = 101,356,881,215.09 - Step 5: Solve for x
x = 101,356,881,215.09/345,330.99 - Step 6: Final answer
x = 293,506.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.